NVIDIA GeForce GTS 450 vs ATI Radeon X1550 PCI

VS

NVIDIA GeForce GTS 450

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTS 450 's Advantages

Released 3 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (57.73GB/s vs 4.256GB/s)

192 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 106W)

Score

GeForce GTS 450

VS

Radeon X1550 PCI

Graphics Card

Sep 2010

Release Date

Jan 2007

GeForce 400

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

902 MHz

Memory Clock

266 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

57.73GB/s

Bandwidth

4.256GB/s

Render Config

-

4

SM Count

-

192

Shading Units

-

32

TMUs

4

16

ROPs

4

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

6.264 GPixel/s

Pixel Rate

1.808 GPixel/s

25.06 GTexel/s

Texture Rate

1.808 GTexel/s

-

601.3 GFLOPS

FP32 (float)

-

50.11 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

27W

300 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

GF106

GPU Name

RV516

GF106-250-KA-A1

GPU Variant

-

Fermi

Architecture

R500

TSMC

Foundry

UMC

40 nm

Process Size

80 nm

1.17 billion

Transistors

0.107 billion

238 mm²

Die Size

100 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

3.0

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